メタデータ名 G20503410221
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.4250000 38.1333333, 139.4312500 38.1333333, 139.4312500 38.1375000, 139.4250000 38.1375000, 139.4250000 38.1333333)) ^^http://www.opengis.net/ont/geosparql#wktLiteral